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Tonneson 5k and Kids Fun Run on July 14

The 7th Annual tonneson + co 5k will take place around beautiful Lake Quannapowitt in Wakefield, Massachusetts on Sunday, July […]

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July 3, 2019Posted By Tonneson

Amy Phelan Featured in Thrive Global Female Leaders of Finance Series

Amy Phelan, shareholder at tonneson + co, was included in a Thrive Global interview as part of their series, “Meet […]

June 11, 2019Posted By Tonneson

Tonneson + Co Wins Best Website and Community Service Awards from AAM

On Monday, June 10, tonneson + co received two awards at the Association for Accounting Marketing’s AAM Marketing Achievement Award […]

May 23, 2019Posted By Tonneson

Mastrocola on Geneva Capital Group M&A Panel in Prague

Rick Mastrocola, president and CEO of tonneson + co, recently spoke on a panel at a Geneva Capital Group M&A […]

May 6, 2019Posted By Tonneson

Tonneson + Co Named to Accounting Today’s Best Firms for Technology

We are pleased to announce that tonneson + co has been named to Accounting Today’s Best Firms for Technology list. […]

September 4, 2018Posted By Tonneson

Coming to a Campus Near You

Every Fall, we look forward to hitting the road and heading to campus! Check out our list of college fairs, […]

July 20, 2018Posted By Tonneson

tonneson + co Named to Accounting Today’s Best Accounting Firms to Work for

We are pleased to announce that tonneson + co has been named as one of the 2018 Accounting Today’s Best […]

January 31, 2018Posted By Tonneson

New Shareholder, Principal, and Members of Board of Directors

We are pleased to announce two key promotions at tonneson + co. Kevin Barthel has been promoted to Shareholder, and […]

November 15, 2017Posted By Tonneson

tonneson + co Honored as Conexión Scholarship Sponsor

Pictured: Phyllis Barajas, Michael Perez, and Joe Lanzi On November 14, we attended the closing session of Conexión Cohort XII, […]

September 13, 2017Posted By Tonneson

Introducing our new Columbia, Maryland Office

tonneson + co is pleased to announce the launch of a new office in Columbia, Maryland. This office will serve […]

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